Home / 65,729.80-98,627.10-26,288.20

Finding the Fourth Proportional to 65,729.80, 98,627.10 and 26,288.20

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Solution

The fourth proportional to 65,729.80, 98,627.10 and 26,288.20 is: 39,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,729.80 : 98,627.10 = 26,288.20 : x
  2. Step 2: Convert to fraction form
    65,729.80/98,627.10 = 26,288.20/x
  3. Step 3: Cross multiply
    65,729.80x = 98,627.10 × 26,288.20
  4. Step 4: Simplify right side
    65,729.80x = 2,592,728,930.22
  5. Step 5: Solve for x
    x = 2,592,728,930.22/65,729.80
  6. Step 6: Final answer
    x = 39,445.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.